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Daniel Defense® DDM4® 300 S Upper Receiver Group


Categories: , , Product ID: 3450


Daniel Defense® DDM4® 300 S Upper Receiver Group



A high-performance, short-barreled upper receiver group chambered in the versatile .300 Blackout to deliver projectiles with greater muzzle energy and better penetration than the 5.56mm cartridge. An outstanding choice for home defense, target shooting, suppressed operation, and tactical applications. Complete with M16-profile bolt carrier group and charging handle. All NFA rules apply.

-UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized

-BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:8 Twist, 10.3″ S2W Profile, Pistol Length Gas System, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested

-GAS SYSTEM: Pinned Low Profile Gas Block CNC Machined of 4140 Hardened Steel and Mil-Spec Heavy Phosphate Coating, Pistol Length, Direct Impingement

-MUZZLE DEVICE: Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished

-BOLT CARRIER GROUP: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key

-SIGHTS: Sold Separately

-HANDGUARD: Daniel Defense DDM4 Rail 9.0, CNC Machined from 6061-T6 Aluminum, Type III Hard-Coat Anodized

-GRIP: Daniel Defense Vertical Grip, Glass Filled Polymer with Soft Touch Overmolding

-RAIL PANELS: Daniel Defense Rail Panels Made from Santoprene, Heat Resistant to 300 Degrees Fahrenheit

-Made in the USA!

UPC 815604015134
ID 241010 
Category Parts & Gear > Upper Receivers
Manufacturer Daniel Defense
Model 23-088-19020-047
Caliber 300 BLK
Finish Black
Barrel Length 10.3″
Weight 3.65 lbs


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